<?php 
class smtp 
{ 
	/* Public Variables */ 
	var $smtp_port; 
	var $time_out; 
	var $host_name; 
	var $log_file; 
	var $relay_host; 
	var $debug; 
	var $auth; 
	var $user; 
	var $pass; 
	/* Private Variables */ 
	var $sock; 
	/* Constractor */ 
	function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass) 
	{ 
		$this->debug = FALSE; 
		$this->smtp_port = $smtp_port; 
		$this->relay_host = $relay_host; 
		$this->time_out = 30; //is used in fsockopen() 
		# 
		$this->auth = $auth;//auth 
		$this->user = $user; 
		$this->pass = $pass; 
		# 
		$this->host_name = "localhost"; //is used in HELO command 
		$this->log_file = ""; 
		$this->sock = FALSE; 
	} 
	/* Main Function */ 
	function sendmail($to, $from, $subject = "", $body = "", $mailtype="",$fromname='', $cc = "", $bcc = "", $additional_headers = "") 
	{ 
		$mail_from = $this->get_address($this->strip_comment($from)); 
		$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body); 
		$header .= "MIME-Version:1.0\r\n"; 
		if($mailtype=="HTML"){ 
			$header .= "Content-Type:text/html\r\n"; 
		} 
		$header .= "To: ".$to."\r\n"; 
		if ($cc != "") { 
			$header .= "Cc: ".$cc."\r\n"; 
		} 
		$bb = $fromname;
		$header .= "From: $bb<".$mail_from.">\r\n"; 
		$header .= "Subject: ".$subject."\r\n"; 
		$header .= $additional_headers; 
		$header .= "Date: ".date("r")."\r\n"; 
		$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n"; 
		list($msec, $sec) = explode(" ", microtime()); 
		$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n"; 
		$TO = explode(",", $this->strip_comment($to)); 
		if ($cc != "") { 
			$TO = array_merge($TO, explode(",", $this->strip_comment($cc))); 
		} 
		if ($bcc != "") { 
			$TO = array_merge($TO, explode(",", $this->strip_comment($bcc))); 
		} 
		$sent = TRUE; 
		foreach ($TO as $rcpt_to) { 
			$rcpt_to = $this->get_address($rcpt_to); 
			if (!$this->smtp_sockopen($rcpt_to)) { 
				$this->log_write("Error: Cannot send email to ".$rcpt_to."\n"); 
				$sent = FALSE; 
				continue; 
			} 
			if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) { 
				$this->log_write("E-mail has been sent to <".$rcpt_to.">\n"); 
			} else { 
				$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n"); 
				$sent = FALSE; 
			} 
			fclose($this->sock); 
			$this->log_write("Disconnected from remote host\n"); 
		} 
		return $sent; 
	} 
	/* Private Functions */ 
	function smtp_send($helo, $from, $to, $header, $body = "") 
	{ 
		if (!$this->smtp_putcmd("HELO", $helo)) { 
			return $this->smtp_error("sending HELO command"); 
		} 
		#auth 
		if($this->auth){ 
			if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) { 
				return $this->smtp_error("sending HELO command"); 
			} 
			if (!$this->smtp_putcmd("", base64_encode($this->pass))) { 
				return $this->smtp_error("sending HELO command"); 
			} 
		} 
		# 
		if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) { 
			return $this->smtp_error("sending MAIL FROM command"); 
		} 
		if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) { 
			return $this->smtp_error("sending RCPT TO command"); 
		} 
		if (!$this->smtp_putcmd("DATA")) { 
			return $this->smtp_error("sending DATA command"); 
		} 
		if (!$this->smtp_message($header, $body)) { 
			return $this->smtp_error("sending message"); 
		} 
		if (!$this->smtp_eom()) { 
			return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]"); 
		} 
		if (!$this->smtp_putcmd("QUIT")) { 
			return $this->smtp_error("sending QUIT command"); 
		} 
		return TRUE; 
	} 
	function smtp_sockopen($address) 
	{ 
		if ($this->relay_host == "") { 
			return $this->smtp_sockopen_mx($address); 
		} else { 
			return $this->smtp_sockopen_relay(); 
		} 
	} 
	function smtp_sockopen_relay() 
	{ 
		$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n"); 
		$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out); 
		if (!($this->sock && $this->smtp_ok())) { 
			$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n"); 
			$this->log_write("Error: ".$errstr." (".$errno.")\n"); 
			return FALSE; 
		} 
		$this->log_write("Connected to relay host ".$this->relay_host."\n"); 
		return TRUE;; 
	} 
	function smtp_sockopen_mx($address) 
	{ 
		$domain = ereg_replace("^.+@([^@]+)$", "\1", $address); 
		if (!@getmxrr($domain, $MXHOSTS)) { 
			$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n"); 
			return FALSE; 
		} 
		foreach ($MXHOSTS as $host) { 
			$this->log_write("Trying to ".$host.":".$this->smtp_port."\n"); 
			$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out); 
			if (!($this->sock && $this->smtp_ok())) { 
				$this->log_write("Warning: Cannot connect to mx host ".$host."\n"); 
				$this->log_write("Error: ".$errstr." (".$errno.")\n"); 
				continue; 
			} 
			$this->log_write("Connected to mx host ".$host."\n"); 
			return TRUE; 
		} 
		$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n"); 
		return FALSE; 
	} 
	function smtp_message($header, $body) 
	{ 
		fputs($this->sock, $header."\r\n".$body); 
		$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> ")); 
		return TRUE; 
	} 
	function smtp_eom() 
	{ 
		fputs($this->sock, "\r\n.\r\n"); 
		$this->smtp_debug(". [EOM]\n"); 
		return $this->smtp_ok(); 
	} 
	function smtp_ok() 
	{ 
		$response = str_replace("\r\n", "", fgets($this->sock, 512)); 
		$this->smtp_debug($response."\n"); 
		if (!ereg("^[23]", $response)) { 
			fputs($this->sock, "QUIT\r\n"); 
			fgets($this->sock, 512); 
			$this->log_write("Error: Remote host returned \"".$response."\"\n"); 
			return FALSE; 
		} 
		return TRUE; 
	} 
	function smtp_putcmd($cmd, $arg = "") 
	{ 
		if ($arg != "") { 
			if($cmd=="") $cmd = $arg; 
			else $cmd = $cmd." ".$arg; 
		} 
		fputs($this->sock, $cmd."\r\n"); 
		$this->smtp_debug("> ".$cmd."\n"); 
		return $this->smtp_ok(); 
	} 
	function smtp_error($string) 
	{ 
		$this->log_write("Error: Error occurred while ".$string.".\n"); 
		return FALSE; 
	} 
	function log_write($message) 
	{ 
		$this->smtp_debug($message); 
		if ($this->log_file == "") { 
			return TRUE; 
		} 
		$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message; 
		if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) { 
			$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n"); 
			return FALSE;; 
		} 
		flock($fp, LOCK_EX); 
		fputs($fp, $message); 
		fclose($fp); 
		return TRUE; 
	} 
	function strip_comment($address) 
	{ 
		$comment = "\([^()]*\)"; 
		while (ereg($comment, $address)) { 
			$address = ereg_replace($comment, "", $address); 
		} 
		return $address; 
	} 
	function get_address($address) 
	{ 
		$address = ereg_replace("([ \t\r\n])+", "", $address); 
		$address = ereg_replace("^.*<(.+)>.*$", "\1", $address); 
		return $address; 
	} 
	function smtp_debug($message) 
	{ 
		if ($this->debug) { 
			echo $message; 
		} 
	} 

} 


class mailserver
{	
	private $smtpServerArray = array();
	private $smtpServerObjArray = array();
	private $smtpServerCount = 0;

	function mailserver($smtpServerArray)
	{
		$this->smtpServerArray = $smtpServerArray;
		if (!is_array($smtpServerArray) || empty($smtpServerArray)) {
			exit('邮件服务器配置文件错误！');
		}
		$i=0;
		foreach ($smtpServerArray as $value){
			$this->smtpServerObjArray[] = new smtp($value['smtpserver'],$value['smtpserverport'],false,$value['smtpuser'],$value['smtppass']);
			$this->smtpServerObjArray[$i++]->debug = true;
		}
		//print_r($this->smtpServerObjArray);
		$this->smtpServerCount = count($this->smtpServerObjArray);
		//echo $this->smtpServerCount;exit();
	}

    //判断邮箱是否是MSN系列邮箱
    function isMsn($email){
		if(strpos($email, 'hotmail.com') || strpos($email, 'live.cn') ||  strpos($email, 'live.com')) {
			return true;
		} else {
			return false;
		}
	}

	function send($mails)
	{
		$n = rand(0, $this->smtpServerCount-1);  //随机取smtp服务器
		//echo $n; exit();
		//发送参数设置
		$fromname = $mails['fromname'];  //发件人名称
		$from = $this->smtpServerArray[$n]['smtpusermail']; //发件人邮箱(默认用smtp地址做发件人地址，也可以用$mails['efrom']参数自己定义)	
		$to  = $mails['eto'];   //收件人	
		$mailsubject  = $mails['subject'];	//邮件主题		
		$mailbody = str_replace('·','&middot;',$mails['content']);//邮件内容
		//msn邮箱发送内容用utf-8编码，其它类型邮箱转化为gb2312编码
        if (!$this->isMsn($smtpemailto)) {
			$fromname=iconv('UTF-8','GB2312',$fromname);        //发件人名称
			$mailsubject=iconv('UTF-8','GB2312',$mailsubject);	//邮件主题
			$mailbody=iconv('UTF-8','GB2312',$mailbody);        //邮件内容 	
		}  
		
		$mailtype = "HTML";//邮件格式
		if (empty($mails['isen']) || $mails['isen']==0) {    //满足条件才能替换
			$mails['content'] = str_replace('xxx.com','yyy.cn',$mails['content']);
		}		
		$mailSendResult = (($this->smtpServerObjArray[$n]->sendmail($to, $from, $mailsubject, $mailbody, $mailtype, $fromname))?true:false);
		return $mailSendResult;  //发送成功为true,失败为false
	}

	function __destruct()
	{

	}
}
/*
/////////////////////////////////////////////////////////////////////////
$mails=array(
	efrom=> "",
	eto=>"",
	subject=>"",
	content=>"",
	text=>0,
	file=>"",
	fromname=>''   //发件人来源名??
	isen=>''   //
);

$smtpServerArray = array(
				array(
				'smtpserver' => "smtp.126.com",
				'smtpserverport' => 25,
				'smtpusermail' => '',	
				'smtpuser' => "",
				'smtppass' => "",
				),
				
				array(
				'smtpserver' => "smtp.126.com",
				'smtpserverport' => 25,
				'smtpusermail' => '',	
				'smtpuser' => "",
				'smtppass' => "",
				),
				
				array(
				'smtpserver' => "smtp.126.com",
				'smtpserverport' => 25,
				'smtpusermail' => '',	
				'smtpuser' => "",
				'smtppass' => "",
				),
				
);
*/
/////////////////////////////////////////////////////////////////////////
?>